PipelineCache Class Reference

ensemble de shader programs compiles. singleton. More...

#include <program.h>

Public Member Functions
PipelineProgram *	find (const char *filename, const char *definitions="")
	renvoie un shader program compile. et l'ajoute dans le cache, si necessaire...
PipelineProgram *	find (const GLuint program, const char *filename, const char *definitions="")
	renvoie un shader program compile. et l'ajoute dans le cache, si necessaire...
PipelineProgram *	reload (const GLuint program, const char *definitions="")
	recharge et recompile un programme du cache.
void	reload ()
	recompile tous les shaders. du cache.
void	dump ()

Static Public Member Functions
static PipelineCache &	manager ()
	acces au singleton.

Protected Member Functions
	PipelineCache ()
	constructeur prive.
PipelineProgram *	insert (const char *filename, const char *definitions="")
	compile un shader et l'ajoute au cache.
PipelineProgram *	insert (const GLuint program, const char *filename, const char *definitions="")
	ajoute un shader dans le cache.

Protected Attributes
std::vector< PipelineProgram * >	m_programs

Detailed Description

ensemble de shader programs compiles. singleton.

Definition at line 59 of file program.h.

Constructor & Destructor Documentation

~PipelineCache()

PipelineCache::~PipelineCache ( )

inline

Definition at line 62 of file program.h.

    {
        printf("[pipeline cache] %d programs.\n", int(m_programs.size()));
        // le contexte est deja detruit lorsque ce destructeur est appele... 
        // trop tard pour detruire les programs et les shaders...
        
        //~ dump();
        for(auto& cache : m_programs)
            delete cache;
    }

PipelineCache()

PipelineCache::PipelineCache ( )

inlineprotected

constructeur prive.

Definition at line 155 of file program.h.

: m_programs() {}

Member Function Documentation

find() [1/2]

PipelineProgram * PipelineCache::find ( const char * filename, const char * definitions = "" )

inline

renvoie un shader program compile. et l'ajoute dans le cache, si necessaire...

Definition at line 74 of file program.h.

    {
        // unordered_map sans doute plus rapide ? mais il y a peu de shaders utilises... 
        for(auto cache : m_programs)
        {
            if(cache->filename == filename && cache->definitions == definitions)
                return cache;
        }
        
        return insert(filename, definitions);
    }

find() [2/2]

PipelineProgram * PipelineCache::find ( const GLuint program, const char * filename, const char * definitions = "" )

inline

renvoie un shader program compile. et l'ajoute dans le cache, si necessaire...

Definition at line 87 of file program.h.

    {
        for(auto cache : m_programs)
        {
            if(cache->program == program && cache->filename == filename && cache->definitions == definitions)
                return cache;
        }
        
        return insert(program, filename, definitions);
    }

reload() [1/2]

PipelineProgram * PipelineCache::reload ( const GLuint program, const char * definitions = "" )

inline

recharge et recompile un programme du cache.

Definition at line 99 of file program.h.

    {
        int update_program( const GLuint program, const char *filename, const char *definitions );
        
        for(auto cache : m_programs)
        {
            if(cache->program == program)
            {
                if(definitions && definitions[0])
                    // modifier le cache avec les nouvelles definitions, uniquement si elles sont non nulles.
                    cache->definitions= definitions;
                
                // recharge et recompile le shader.
                update_program(program, cache->filename.c_str(), cache->definitions.c_str());
                program_print_errors(program);
                return cache;
            }
        }
        
        // ne devrait pas arriver...
        return nullptr;
    }

reload() [2/2]

void PipelineCache::reload ( )

inline

recompile tous les shaders. du cache.

Definition at line 123 of file program.h.

    {
        int update_program( const GLuint program, const char *filename, const char *definitions );
        
        for(auto cache : m_programs)
        {
            update_program(cache->program, cache->filename.c_str(), cache->definitions.c_str());
            program_print_errors(cache->program);
        }
    }

dump()

void PipelineCache::dump ( )

inline

Definition at line 135 of file program.h.

    {
        for(unsigned i= 0; i < m_programs.size(); i++)
        {
            PipelineProgram *cache= m_programs[i];
            printf("[%d] '%s'\n", i, cache->filename.c_str());
            if(!cache->definitions.empty())
                printf("  %s\n", cache->definitions.c_str());
        }
    }

manager()

PipelineCache & PipelineCache::manager ( )

inlinestatic

acces au singleton.

Definition at line 147 of file program.h.

    {
        static PipelineCache cache;
        return cache;
    }

insert() [1/2]

PipelineProgram * PipelineCache::insert ( const char * filename, const char * definitions = "" )

inlineprotected

compile un shader et l'ajoute au cache.

Definition at line 158 of file program.h.

    {
        int update_program( const GLuint program, const char *filename, const char *definitions );
        
        // cree le programme s'il n'existe pas deja...
        GLuint program= glCreateProgram();
        update_program(program, filename, definitions);
        program_print_errors(program);
        
        return insert(program, filename, definitions);
    }

insert() [2/2]

PipelineProgram * PipelineCache::insert ( const GLuint program, const char * filename, const char * definitions = "" )

inlineprotected

ajoute un shader dans le cache.

Definition at line 171 of file program.h.

    {
        PipelineProgram *cache= new PipelineProgram { filename, definitions, program };
        m_programs.push_back(cache);
        
        return cache;
    }

Member Data Documentation

m_programs

std::vector<PipelineProgram *> PipelineCache::m_programs

protected

Definition at line 179 of file program.h.

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The documentation for this class was generated from the following file:

• src/gKit/program.h